APA (7th ed.) Citation

Hudson, W. H. (1956). Tierra purpurea. G. Kraft.

Chicago Style (17th ed.) Citation

Hudson, W. H. Tierra Purpurea. Buenos Aires: G. Kraft, 1956.

MLA (9th ed.) Citation

Hudson, W. H. Tierra Purpurea. G. Kraft, 1956.

Warning: These citations may not always be 100% accurate.